*{
    margin:0;       /*定义外边距*/
    padding:0;     /*定义内边距*/
 }
    
.box{
    border: 2px solid rebeccapurple;
}
/* 字体大小和种类 */
.f1{
    font-size: 14px;
    color: aquamarine;
    font-family: "华文彩云","Time NEW Roman" Helvetica, sans-serif
}

.f2{
    font-style: italic;
    font-weight: bolder;
}

/* 文本对齐 */
.f3{
    text-align: center;
    /* text-align: justify; */
    /* word-spacing: left; */
    /* word-spacing: right; */
    padding-right: 40px;
}

.f4{
    line-height: 60px;
    /* line-height: 60;不带px就是60倍 */
}

.f5{
    line-height: 3;
    text-decoration: line-through;
    text-decoration: underline overline line-through;
} 

.f5 a{
    /* 去掉原始样式 */
    text-decoration: none;
}

.f6{
    text-indent: 2em;
}

.f7{
    letter-spacing: .5em;
    word-spacing: 1em;
}

.f8{
    /* text-transform: uppercase;
    text-transform: lowercase; */
    text-transform: capitalize;
    text-shadow: 5px 2px 3px rebeccapurple;
}


/*
[属性名]选择含有指定属性的的元素。
*/
[title]{
    color: red;    
}

span,div, .content {
    color:darkorange;
}